Hi,
We went through your teespring like website requirements and we find us eligible for the job as we have very good experience of working with Java Script, Jquery, core PHP and its frameworks.
We can develop same custon tool in jquery for you and can integrate into Word Press woocommerce. If you are interested, we can show you similar examples we did.
We have experts for Joomla, cake PHP, Magento, Wordpress, Os Commerce, Open cart.
Also we have experienced and creative graphic design team. We are in the field of web development for past 7 years.
Also we are certified freelancer in PHP(95% score) and WordPress(98% score) .
We can deliver you secure, reliable and eye catching web applications in decided time frame.
Please open Private message Board so that we can communicate better and discuss the
project in detail and can decide suitable platform for you.
Looking forward to your reply.
Kind Regards
Crystaltech Team